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SLIMAIR heat pumps: how do their ratings compare?

A typical SLIMAIR heat pump beats 60% of similar heat pumps (same size and type), which is well above average. SLIMAIR has 48 heat pump models in this list.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

Overall score

60%

of similar heat pumps beaten by its typical model

Well above average

SLIMAIR has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 73 models with every rating.

SLIMAIR, rating by ratingStrongest on winter-long heating efficiency (beats 73%), weakest on hot-day cooling efficiency (beats 53%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 60%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 59%
  • Winter-long heating efficiencyHSPF2Beats 73%
  • Summer-long cooling efficiencySEER2Beats 61%
  • Hot-day cooling efficiencyEER2Beats 53%

Average (50%)

Each bar: the share of similar heat pumps a typical model beats on that rating.

Want SLIMAIR’s ranks and its models inside every size class? Switch to Advanced

Rebate standards

Share of this brand’s models that meet the efficiency levels rebate programs use. Programs can have other rules too.

  • 90%

    meet CEE 2025 Tier 1, the level many utility rebates use.

    43 models. All brands: 57%.

    See them

  • 77%

    meet Xcel Energy Colorado’s cold-climate rebate levels.

    37 models. All brands: 53%.

    See them

  • 2%

    reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.

    1 model. All brands: 3%.

    See them

Top SLIMAIR cold-climate picks, by size

Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.

Showing Ductless, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

4 of SLIMAIR’s 4 models of this size and type qualify.

  1. 1SHC24AH2AGwith ductless indoor unit SHL24AC2AGSLIMAIR2 tons · 23,400 Btu/h · DuctlessKeeps 95% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    95% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.23 (COP at 5°F)
    Great
    Seasonal efficiency
    11.6 (HSPF2)
    Top 10%
    89.4score / 100
  2. 2SHC24AE2AGwith ductless indoor unit SHS24AC2AGSLIMAIR2 tons · 24,000 Btu/h · DuctlessKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.27 (COP at 5°F)
    Great
    Seasonal efficiency
    11.1 (HSPF2)
    Top 10%
    77.9score / 100
  3. 3SHC24AC2AGwith ductless indoor unit SHM24AC2AGSLIMAIR2 tons · 24,000 Btu/h · DuctlessKeeps 71% of its heat at 5°FMeets Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.11 (COP at 5°F)
    Great
    Seasonal efficiency
    9.0 (HSPF2)
    Below the middle
    45.1score / 100
  4. 4SHC4Z27AC2AGSLIMAIR2 tons · 26,000 Btu/h · DuctlessKeeps 70% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    9.5 (HSPF2)
    Below the middle
    41.1score / 100

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

What to do next

The advanced view has SLIMAIR’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

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